diff options
| author | Fam Zheng <famz@redhat.com> | 2015-06-08 13:56:08 +0800 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2015-07-02 10:06:23 +0100 |
| commit | 0fc9f8ea2800b76eaea20a8a3a91fbeeb4bfa81b (patch) | |
| tree | 0e38faa50c9b3d149853693e64d945b15d351405 /include/block | |
| parent | ba3f0e2545c365ebe1dbddb0e53058710d41881e (diff) | |
qmp: Add optional bool "unmap" to drive-mirror
If specified as "true", it allows discarding on target sectors where source is
not allocated.
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'include/block')
| -rw-r--r-- | include/block/block_int.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/block/block_int.h b/include/block/block_int.h index 44a5cf7557..83ed1a5f7a 100644 --- a/include/block/block_int.h +++ b/include/block/block_int.h @@ -612,6 +612,7 @@ void commit_active_start(BlockDriverState *bs, BlockDriverState *base, * @mode: Whether to collapse all images in the chain to the target. * @on_source_error: The action to take upon error reading from the source. * @on_target_error: The action to take upon error writing to the target. + * @unmap: Whether to unmap target where source sectors only contain zeroes. * @cb: Completion function for the job. * @opaque: Opaque pointer value passed to @cb. * @errp: Error object. @@ -626,6 +627,7 @@ void mirror_start(BlockDriverState *bs, BlockDriverState *target, int64_t speed, uint32_t granularity, int64_t buf_size, MirrorSyncMode mode, BlockdevOnError on_source_error, BlockdevOnError on_target_error, + bool unmap, BlockCompletionFunc *cb, void *opaque, Error **errp); |